agricultural biotechnology agricultural ecology agricultural laborers agricultural microbiology agricultural pests agriculture allelopathic agents allelopathy angiosperms aphids applied ecology arbres, effets des précipitations acides sur les arthropod pests bacterial diseases of plants bakteeritaudit biodiversity biological assay biological invasions biological pest control agents biologinen torjunta biologische bestrijding biomass energy botanical pesticides botany business & economics business & economics / infrastructure chemistry citrus citrus fruit industry citrus fruits coffee conference proceedings crops cruciferae ddt (insecticide) developmental biology disease e-böcker ecology ecosystemen ekologia electronic book entomology environment environmental health environmental studies environmental toxicology eucalyptus écologie forestière épinette rouge families of military personnel farmers fashion photography field crops flowers food crops food storage pests food supply forest animals forest conservation forest ecology forest insects fruit fruit-flies fungal diseases of plants fungi fungi as biological pest control agents fungi in agriculture fungicides galls (botany) garden pests gardening grain grapes grasses guidebooks handbooks and manuals handbooks, manuals, etc herbicide resistance herbicides history horticultural crops identification guides insect control insect nematodes insect pests insect-plant relationships insecticides insects insects as carriers of plant disease integroitu torjunta intensive care nursing introduced organisms invasive plants invertebrates iraq war, 2003-2011 kasvinsuojelu kasvit kasvitaudit kurssikirja landwirtschaft, veterinärmedizin legumes life sciences microbiology mites mites as biological pest control agents molecular immunology mollusca mollusks mycotoxins natural history natural pesticides nature natuurbeheer nematoda nematode diseases of plants nematode-plant relationships nematodes as biological pest control agents nonindigenous pests nurse practitioners palms parasitoids pasture plants pest control pest control, biological pesticide resistance pesticides pests pests, biological control phytopathogenic bacteria phytopathogenic fungi phytopathogenic microorganisms phytoplasmas pictorial works plant biochemistry plant breeding/biotechnology plant diseases plant ecology plant genetic engineering plant immunology plant invasions plant nematodes plant pathology plant physiology plant sciences plant viruses plant-pathogen relationships plants plants, medicinal plants, protection of red spruce red spruce decline resistenssi rikkakasvit rust diseases sampling (statistics) science seed-borne plant diseases seeds sienet sienitaudit social science / general soil contamination soil pollution strawberries student mobility students, transfer of sukkulamadot sustainable agriculture sähkökirjat taudinaiheuttajat technology & engineering technology & engineering / agriculture / general technology & engineering / environmental / general torjunta torjuntaeliöt torjuntamenetelmät transfer students transgenic plants tree cavities trees tropical fruit tuhoeläimet tuhohyönteiset tuholaiset turf management turfgrasses urban pests vaikutukset vegetables vertebrate pests viroid diseases of plants viroids virus diseases of plants virustaudit weeds western corn rootworm wetland ecology wheat zoology